/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.model.actor.knownlist;

import java.util.Collection;

import net.sf.l2j.gameserver.ai.CtrlIntention;
import net.sf.l2j.gameserver.ai.L2CharacterAI;
import net.sf.l2j.gameserver.model.L2Attackable;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.actor.instance.L2FolkInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PlayableInstance;

public class AttackableKnownList extends NpcKnownList {
	// =========================================================
	// Data Field
	// =========================================================
	// Constructor
	public AttackableKnownList(L2Attackable activeChar) {
		super(activeChar);
	}

	// =========================================================
	// Method - Public
	@Override
	public boolean removeKnownObject(L2Object object) {
		if (!super.removeKnownObject(object))
			return false;
		// Remove the L2Object from the _aggrolist of the L2Attackable
		if (object != null && object instanceof L2Character)
			getActiveChar().getAggroList().remove(object);
		// Set the L2Attackable Intention to AI_INTENTION_IDLE
		Collection<L2PcInstance> known = getKnownPlayers().values();
		// FIXME: This is a temporary solution
		L2CharacterAI ai = getActiveChar().getAI();
		if (ai != null && (known == null || known.isEmpty()))
			ai.setIntention(CtrlIntention.AI_INTENTION_IDLE);
		return true;
	}

	// =========================================================
	// Method - Private
	// =========================================================
	// Property - Public
	@Override
	public L2Attackable getActiveChar() {
		return (L2Attackable) super.getActiveChar();
	}

	@Override
	public int getDistanceToForgetObject(L2Object object) {
		if (getActiveChar().getAggroList() != null)
			if (getActiveChar().getAggroList().get(object) != null)
				return 3000;
		return Math.min(2200, 2 * getDistanceToWatchObject(object));
	}

	@Override
	public int getDistanceToWatchObject(L2Object object) {
		if (object instanceof L2FolkInstance
				|| !(object instanceof L2Character))
			return 0;
		if (object instanceof L2PlayableInstance)
			return 1500;
		if (getActiveChar().getAggroRange() > getActiveChar().getFactionRange())
			return getActiveChar().getAggroRange();
		if (getActiveChar().getFactionRange() > 300)
			return getActiveChar().getFactionRange();
		return 300;
	}
}
